The head of scandal-hit Osaka school operator Moritomo Gakuen insisted Thursday there were no serious inconsistencies in documents pertaining to an elementary school under construction on land acquired through a murky deal with the central government. But the Osaka Prefectural Board of Education said the documents contained inconsistencies in figures concerning construction costs, which Gov. Ichiro Matsui indicated meant the prefecture is now unlikely to give its permission for the school to open next month.